#151C56#151C56

#151C56 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.3% C 0.104 H 271.8°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#151C56
RGB	rgb(21, 28, 86)
HSL	hsl(234, 61%, 21%)
HSV	hsv(234, 76%, 34%)
CMYK	cmyk(75.6%, 67.4%, 0%, 66.3%)
CIE-LAB	lab(13.60, 19.17, -36.07)
CIE-LCH	lch(13.60, 40.85, 297.99°)
OKLab	oklab(26.28% 0.0033 -0.1041)
OKLCH	oklch(26.28% 0.104 271.8)
XYZ	xyz(2.4037, 1.6616, 8.9963)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C56 #564F15

analogous

#153C56 #151C56 #2E1556

triadic

#151C56 #56151C #1C5615

tetradic

#151C56 #56153C #564F15 #15562E

square

#151C56 #56153C #564F15 #15562E

split-complementary

#151C56 #562E15 #3C5615

monochromatic

#060819 #090C25 #151C56 #212C87 #2D3CB8

Accessibility & contrast

On white

15.76

#151C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#151C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C56

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C56	#FFFFFF	#000000	##FFFFFF
##151C56	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002658

Deuteranopia (green-blind)

#002055

Tritanopia (blue-blind)

#002B36

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #151c56;
/* rgb */ color: rgb(21, 28, 86);
/* oklch */ color: oklch(26.3% 0.104 271.8);

Tailwind

colors: {
  custom: {
    50: '#5d5886',
    500: '#151c56',
    950: '#000000',
  },
}

SCSS

$custom: #151c56;
$custom-light: #5d5886;
$custom-dark: #000000;

JSON

{
  "hex": "#151c56",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 86
  },
  "hsl": {
    "h": 233.538,
    "s": 60.748,
    "l": 20.98
  },
  "oklch": {
    "l": 0.2628,
    "c": 0.10417,
    "h": 271.8
  },
  "luminance": 0.01662
}

Semantic roles & 50–950 ramp

primary

#151C56

secondary

#8E8539

accent

#D344E4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #151C56

Body copy rendered with the generated semantic roles for this colour.

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